Gazi yo kugaburira ishami rishinzwe gukuraho aside
Imyuka ishyushye yinjira mu gice cyo gukuraho aside, gikoresha umuti wa MDEA kugira ngo gikuremo CO2, H2S n'indi myuka ishyushye muri iyo myuka.
Gazi karemano yinjira mu gice cyo hasi cy’icyuma gifata umwuka ikanyura mu cyuma gifata umwuka kuva hasi kugera hejuru; Umuti wa MDEA wasubiwemo burundu (umuti woroshye) winjira mu gice cyo hejuru cy’icyuma gifata umwuka ukanyura mu cyuma gifata umwuka kuva hejuru kugera hasi. Umuti wa MDEA unyura inyuma na gaze karemano bihurirana neza muri icyo cyuma gifata umwuka. CO2 iri muri gaze iranjira mu gice cy’amazi. Ibice bitarajyamo biva hejuru y’icyuma gifata umwuka kikajya mu gikoresho gikonjesha gaze kidakoresha umwuka. Gazi iva mu cyuma gifata umwuka kidakoresha umwuka ikajya mu cyuma gitanga umwuka, hanyuma umwuka ukajya mu cyuma gifata umwuka.
Ingano ya CO2 muri gaze karemano yavuwe iri munsi ya 50ppmv.
Umuti wa MDEA ufata CO2 witwa umuti ukungahaye ku bintu byinshi, woherezwa kuri flash tower, maze gaze karemano ikorwa na depressurization flash yoherezwa kuri sisitemu ya lisansi. Nyuma yo guhinduranya ubushyuhe hagati y’amazi menshi ya flashed n’umuti (amazi make) uva hasi mu munara wo kuvugurura, shyira ubushyuhe kuri ~ 98 ℃ hejuru y’umunara wo kuvugurura, hanyuma ukore stripping regeneration muri wa munara wo kuvugurura kugeza igihe ingano y’amazi make igeze ku rugero rw’umubare.
Amazi yoroheje aturuka mu munara wo kuvugurura anyura mu cyuma gishyushya ubushyuhe cy’amazi n’igikonjesha cy’amazi yoroheje. Amazi yoroheje akonjeshwa kugeza kuri ~ 40°C, agashyirwamo igitutu n’ipompo y’amazi yoroheje hanyuma akinjira aturutse mu gice cyo hejuru cy’umunara wo kubyutsa.
Imyuka isohokera hejuru y'umunara wo kuvugurura yinjira mu gitandukanya gazi ikomoka kuri aside inyuze mu gikoresho gikonjesha gazi ikomoka kuri aside, gazi iva mu gitandukanya gazi ikomoka kuri aside yoherezwa mu buryo bwo gusohora gazi ikomoka kuri aside, naho ifu yoherezwa mu gitandukanya gazi ikomoka kuri flash nyuma yo gushyirwamo igitutu n'ipompo yo kugarura umwuka.
Isoko y'ubushyuhe bw'umunara wo kongera gushyushya ubushyuhe ishyushywa n'amavuta yo kohereza ubushyuhe.
Ibikoresho by'ingenzi by'iyi mashini ni umunara wo kwinjizamo umwuka n'umunara wo kuvugurura umwuka.
Gazi yo kugaburira icyuma cyo kumisha
Iyi mashini ikoresha ikoranabuhanga ryo gukurura ubushyuhe mu gutandukanya no gutunganya gaze. Ikoranabuhanga ryo gukurura ubushyuhe rishingiye ku gukurura gaze ku buso bw'imbere bw'ibintu bitoroshye bifite imyenge, kandi ikoresha imiterere y'uko ubushobozi bwo gukurura gaze buhinduka bitewe n'ubushyuhe n'umuvuduko bitandukanye byo gukurura. Mu gihe iyo gazi ihisemo gukurura ibice bitandukanye bya gaze, ikurura bimwe mu bice bya gaze bivanze ku bushyuhe buke n'umuvuduko mwinshi, ibice bitarakururwa bisohoka mu gice cy'akari hanyuma bigakurura ibyo bice bikururwa ku bushyuhe bwinshi n'umuvuduko muto kugira ngo habeho gukurura ubushyuhe buke n'umuvuduko mwinshi. Iminara myinshi yo gukurura gaze irashobora gukoreshwa kugira ngo hagerwe ku ntego yo gutandukanya gaze mu buryo buhoraho.
Iyi mashini yumisha imyuka ikoreshwa mu kuyumisha ifite ibikoresho bibiri byo guhinduranya imyuka, birimo kimwe cyo kuyungurura imyuka, ikindi cyo kongera kubyutsa imyuka ikonje.
Imyuka ikomoka ku gakoresho ka gaze gatuma umwuka ugabanuka ijya hejuru y'agakoresho ka adsorber. Nyuma yo gukuramo amazi binyuze mu kayunguruzo ka molekile, iva hasi mu gakoresho ka adsorber. Nyuma yo kubura amazi, imyuka karemano yinjira mu gakoresho ka gaze gatuma umwuka ugabanuka.
Igikoresho cyo gukuraho imyuka ihumanya ikirere gikoresha ingano nto ya gazi isukuye nk'uburyo bwo guhumeka no kongera kuvugurura.
Gazi yo kuvugurura ibanza guca mu cyuma gikonjesha kuva hasi kugera hejuru, hanyuma gazi yo kuvugurura ishyushywa kugeza ku bushyuhe bwa 180 ~ 220 ℃ inyuze mu cyuma gishyushya, hanyuma ikinjira mu cyuma gishyushya amazi kikayakuramo no kuyakuramo. Gazi yo kuvugurura iva hejuru y'icyuma cyumisha amazi ikajya mu cyuma gitandukanya gaze yo kuvugurura amazi nyuma yo gukonjeshwa n'icyuma gishyushya amazi. Nyuma yo gutandukanya amazi, yinjira mu munara w'icyumba gishyushya amazi.
Nyuma yo kunyura muri iyo gaze, amazi ari muri gaze karemano yumye ni ≤ 1ppm.
Ibikoresho by'ingenzi ni umunara wo kuvongera, icyuma gishyushya, icyuma gikonjesha gazi, icyuma gitandukanya gazi na icyuma gikonjesha gazi.
Igihe cyo kohereza: Kamena-03-2022